None. Once the bulb goes out, they replace the house.
Just one guy with a really weird fetish.
Do you know yet Me (in a sea of puppies): No, they haven't done it. Bring more
Five. One to handle the bulb and 4 to contemplate how David Sanborn would've done it.
Two. One to hold the bulb, and one to drink until the room starts spinning.
They both need to be changed after a while for the same reason
What sort of answer did you have in mind None-just assume it's changed.
If you pull the ring off it, the house is gone
It was having window panes.
Crispin crunchy is how I like my apples!
Well because he had a horrible experience with windows. (credit to Neil Hamburger for this amazing joke)
No Escape
A non-prophet religion Edit: Replace the word "religion" with "set of beliefs" if you're picky about that sort of thing
Echo-location, location, location (Replace "bat" with "zubat" if you wish.)